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Statistics and Probability - Normal Distribution Flashcards | StudBud
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Statistics and Probability - Normal Distribution
Statistics and Probability - Normal Distribution
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1
Which of the following determine the location of the center of the bell – shaped curved.
variance
mean
standard deviation
mode
2
What is the area under the curve falls within 2 standard deviation to the mean?
99.7\%
80\%
68\%
95\%
3
What is the area to the right of z=-1.8?
0.4357
0.9641
0.09941
0.4641
4
What is the area betweenz=-1.35 andz=-2.5 ?
0.0085
0.0662
0.0452
0.0823
5
Which of the following is NOT TRUE about normal curve?
The peak of thenormal curve is at the center.
The normal curve is modal and asymptotic to the horizontal axis.
The mean, median and mode coincide at thecenter.
The normal curve is symmetrical to the center.
